@inproceedings{sagn2002intorduction,
  author = {Sang, Erik F. Tjong Kim},
  title = {Introduction to the CoNLL-2002 Shared Task: Language-Independent Named Entity Recognition},
  booktitle = {COLING-02: The 6th Conference on Natural Language Learning 2002 (CoNLL-2002)},
  year = {2002},
  url = {http://www.aclweb.org/anthology/W02-2024}
}